The following video demonstrates the proper tactical placement of landmines at "ambush points" to take out opponents in a fun and effective way which can be seen here,

This video demonstrates the versatility of landmines for tactical training use and for milsim, scenario, skirmish and woodsball games use.

From the "player's perspective" of being taken out by milsim water & smoke powder land mines via helmet cams, you can see video of this from the player's perspective at time 4:28, 4:53, 5:05, 5:20 here,

S-Thunder Water Spraying (can be used with paint) and Powder Spraying (can be used with smoke powder) milsim mines were used at this Scenario War Games event in Ireland.

Though the video title refers to airsoft, the fundamentals are the same for both Scenario Paintball and Airsoft in using milsim landmines for tactical use.